67%RatingSave Gender Masculine Usage Norwegian, Icelandic Meaning & History Derived from the Old Norse element geirr meaning "spear". Related NamesFamily Tree·Details Other Languages & CulturesGero(German) Gero(Germanic) Geirr(Old Norse) PopularityDetails Last ranked #98 in 1992 Norway Name DaysName Days? Norway: May 30 Categories Icelandic prime ministers, weapons, world leaders